class chart_views_plugin_style_chart in Google Chart Tools: Image Charts 7
Same name and namespace in other branches
- 6 chart_views/includes/views/chart_views_plugin_style_chart.inc \chart_views_plugin_style_chart
The plugin that handles the chart style.
Hierarchy
- class \views_object
- class \views_plugin
- class \views_plugin_style
- class \views_plugin
Expanded class hierarchy of chart_views_plugin_style_chart
1 string reference to 'chart_views_plugin_style_chart'
- chart_views_views_plugins in chart_views/
views/ chart_views.views.inc - Implements hook_views_plugins().
File
- chart_views/
views/ chart_views_plugin_style_chart.inc, line 14 - Contains the chart display plugin.
View source
class chart_views_plugin_style_chart extends views_plugin_style {
function option_definition() {
$options = parent::option_definition();
$options['type'] = array(
'default' => 'bhs',
);
$options['width'] = array(
'default' => 600,
);
$options['height'] = array(
'default' => 400,
);
$options['color_scheme'] = array(
'default' => 'default',
);
$options['label_append_value'] = array(
'default' => FALSE,
);
$options['data_markers'] = array(
'default' => FALSE,
);
$options['data_markers_number_type'] = array(
'default' => 'f',
);
$options['data_markers_decimal_places'] = array(
'default' => '2',
);
$options['data_markers_placement'] = array(
'default' => 'lb',
);
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['type'] = array(
'#type' => 'radios',
'#title' => t('Type'),
'#description' => t('Chart type, see <a href="http://code.google.com/apis/chart/">Google Chart API documentation</a>.'),
'#options' => chart_types(),
'#required' => TRUE,
'#default_value' => $this->options['type'],
);
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#description' => t('Chart width in pixels'),
'#size' => 8,
'#required' => TRUE,
'#default_value' => $this->options['width'],
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#description' => t('Chart height in pixels'),
'#size' => 8,
'#required' => TRUE,
'#default_value' => $this->options['height'],
);
$form['color_scheme'] = array(
'#type' => 'select',
'#title' => t('Color scheme'),
'#description' => t('Color scheme, as defined by hook_chart_color_schemes().'),
'#options' => drupal_map_assoc(array_keys(chart_color_schemes())),
'#required' => TRUE,
'#default_value' => $this->options['color_scheme'],
);
$form['label_append_value'] = array(
'#type' => 'checkbox',
'#title' => t('Append value to label'),
'#description' => t('If checked, calculated values will be appended in the chart legend.'),
'#default_value' => $this->options['label_append_value'],
);
$form['data_markers'] = array(
'#type' => 'checkbox',
'#title' => t('Append Data Value Markers to the Chart'),
'#description' => t('If checked, calculated data value markers will be appended to specific points on the chart[Bar, Line, Radar, Scatter]'),
'#default_value' => $this->options['data_markers'],
'#id' => 'edit-data-value-markers',
);
$form['data_markers_number_type'] = array(
'#type' => 'select',
'#dependency' => array(
'edit-data-value-markers' => array(
1,
),
),
'#title' => t('Select type of Data Marker'),
'#default_value' => $this->options['data_markers_number_type'],
'#options' => array(
'f' => t('Floating point format'),
'p' => t('Percentage format'),
'e' => t('Scientific notation format'),
),
'#description' => t('The number format, for numeric values.'),
);
$form['data_markers_decimal_places'] = array(
'#type' => 'select',
'#dependency' => array(
'edit-data-value-markers' => array(
1,
),
),
'#title' => t('Select number of decimal places'),
'#default_value' => $this->options['data_markers_decimal_places'],
'#options' => array(
'0' => t('0'),
'1' => t('1'),
'2' => t('2'),
),
'#description' => t('An integer specifying how many decimal places to show'),
);
$form['data_markers_placement'] = array(
'#type' => 'select',
'#dependency' => array(
'edit-data-value-markers' => array(
1,
),
),
'#title' => t('Select where the data markers should be placed'),
'#default_value' => $this->options['data_markers_placement'],
'#options' => array(
'lb' => t('Left-Bottom'),
'lv' => t('Left-Middle'),
'lt' => t('Left-Top'),
'hb' => t('Center-Bottom'),
'hv' => t('Center-Middle'),
'ht' => t('Center-Top'),
'rb' => t('Right-Bottom'),
'rv' => t('Right-Middle'),
'rt' => t('Right-Top'),
's' => t('Bar-Relative-Base'),
'c' => t('Bar-Relative-Center'),
'e' => t('Bar-Relative-Top'),
),
'#description' => t('Additional placement details describing where to put this marker, in relation to the data point. Bar-Relative markers are applicable only for Bar charts'),
);
}
function render() {
$charts = array();
$sets = $this
->render_grouping($this->view->result, $this->options['grouping']);
$one = count($sets) == 1;
$set = 0;
foreach ($sets as $title => $records) {
$chart = array(
'#theme' => 'chart',
'#chart_id' => drupal_clean_css_identifier($this->view->name . '-' . $this->display->id . '-' . $set++),
'#type' => $this->options['type'],
// If only one set then use the view title, otherwise if the set has a
// title then set it as the chart title.
'#title' => $one ? $this->view->human_name : $title,
'#size' => array(
'#width' => $this->options['width'],
'#height' => $this->options['height'],
),
'#adjust_resolution' => TRUE,
'#data' => array(),
'#labels' => array(),
'#data_colors' => array(),
'#shape_markers' => array(),
);
foreach ($records as $row_index => $row) {
foreach ($this->view->field as $key => $field) {
if (!$field->options['exclude']) {
$field_value = $field
->get_value($row);
$field_value = isset($field_value[0]['value']) ? $field_value[0]['value'] : 0;
// this would be nicer in 1 line.
$chart['#data'][] = $field_value;
$chart['#labels'][] = $field->options['label'] . ($this->options['label_append_value'] ? ': ' . $field_value : '');
// @TODO Provide a way to change format.
$chart['#data_colors'][] = chart_unique_color($key, $this->options['color_scheme']);
}
}
}
$series = 0;
foreach ($this->view->field as $key => $field) {
if (!$field->options['exclude']) {
if ($this->options['data_markers']) {
$chart['#shape_markers'][] = array(
'#marker_type' => 'N*' . $this->options['data_markers_number_type'] . $this->options['data_markers_decimal_places'] . '*',
'#color' => '000000',
'#series_index' => $series,
'#opt_which_points' => -1,
'#size' => 11,
'#opt_z_order' => '',
'#opt_placement' => $this->options['data_markers_placement'],
);
$series++;
}
}
}
// Allow modules to alter the chart based on views context.
drupal_alter('chart_views', $chart, $this->view->name, $this->display->id);
// Since view expects string output we can't save render array for later.
$charts[$chart['#chart_id']] = drupal_render($chart);
}
return implode($charts);
}
}
Members
Name![]() |
Modifiers | Type | Description | Overrides |
---|---|---|---|---|
chart_views_plugin_style_chart:: |
function |
Provide a form to edit options for this plugin. Overrides views_plugin_style:: |
||
chart_views_plugin_style_chart:: |
function |
Information about options for all kinds of purposes will be held here. Overrides views_plugin_style:: |
||
chart_views_plugin_style_chart:: |
function |
Render the display in this style. Overrides views_plugin_style:: |
||
views_object:: |
public | property | Handler's definition. | |
views_object:: |
public | property | Except for displays, options for the object will be held here. | 1 |
views_object:: |
function | Collect this handler's option definition and alter them, ready for use. | ||
views_object:: |
public | function | Views handlers use a special construct function. | 4 |
views_object:: |
public | function | 1 | |
views_object:: |
public | function | ||
views_object:: |
public | function | Always exports the option, regardless of the default value. | |
views_object:: |
public | function | Set default options on this object. | 1 |
views_object:: |
public | function | Set default options. | |
views_object:: |
public | function | Let the handler know what its full definition is. | |
views_object:: |
public | function | Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. | |
views_object:: |
public | function | Unpack a single option definition. | |
views_object:: |
public | function | Unpacks each handler to store translatable texts. | |
views_object:: |
public | function | ||
views_plugin:: |
public | property | The current used views display. | |
views_plugin:: |
public | property | The plugin name of this plugin, for example table or full. | |
views_plugin:: |
public | property | The plugin type of this plugin, for example style or query. | |
views_plugin:: |
public | property |
The top object of a view. Overrides views_object:: |
1 |
views_plugin:: |
public | function | Provide a list of additional theme functions for the theme info page. | |
views_plugin:: |
public | function | Handle any special handling on the validate form. | 9 |
views_plugin:: |
public | function | Return the human readable name of the display. | |
views_plugin:: |
public | function | Returns the summary of the settings in the display. | 8 |
views_plugin:: |
public | function | Provide a full list of possible theme templates used by this style. | |
views_plugin_style:: |
public | property | The row plugin, if it's initialized and the style itself supports it. | |
views_plugin_style:: |
public | property | Store all available tokens row rows. | |
views_plugin_style:: |
public | function | Called by the view builder to see if this style handler wants to interfere with the sorts. If so it should build; if it returns any non-TRUE value, normal sorting will NOT be added to the query. | 1 |
views_plugin_style:: |
public | function | Called by the view builder to let the style build a second set of sorts that will come after any other sorts in the view. | 1 |
views_plugin_style:: |
public | function |
Destructor. Overrides views_object:: |
|
views_plugin_style:: |
public | function | Should the output of the style plugin be rendered even if it's empty. | 1 |
views_plugin_style:: |
public | function | Get a rendered field. | |
views_plugin_style:: |
public | function | Get the raw field value. | |
views_plugin_style:: |
public | function | Return the token replaced row class for the specified row. | |
views_plugin_style:: |
public | function | Initialize a style plugin. | |
views_plugin_style:: |
public | function |
Validate the options form. Overrides views_plugin:: |
|
views_plugin_style:: |
public | function | Allow the style to do stuff before each row is rendered. | |
views_plugin_style:: |
public | function |
Add anything to the query that we might need to. Overrides views_plugin:: |
2 |
views_plugin_style:: |
public | function | Render all of the fields for a given style and store them on the object. | |
views_plugin_style:: |
public | function | Group records as needed for rendering. | |
views_plugin_style:: |
public | function | Render the grouping sets. | |
views_plugin_style:: |
public | function | Take a value and apply token replacement logic to it. | |
views_plugin_style:: |
public | function | Return TRUE if this style also uses fields. | |
views_plugin_style:: |
public | function | Return TRUE if this style also uses a row plugin. | |
views_plugin_style:: |
public | function | Return TRUE if this style also uses a row plugin. | |
views_plugin_style:: |
public | function | Return TRUE if this style uses tokens. | |
views_plugin_style:: |
public | function |
Validate that the plugin is correct and can be saved. Overrides views_plugin:: |